A 300 MHz plane wave propagating through a non-conducting medium

Thread starter pallab
Start date Apr 4, 2017
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Medium Plane Wave

In summary, a 300 MHz plane wave is an electromagnetic wave with a frequency of 300 million cycles per second, commonly used in communication and radar systems. It propagates through a non-conducting medium by oscillating electric and magnetic fields, with a speed of approximately 300 million meters per second. As it travels, the intensity of the wave decreases due to the inverse square law. It can also be refracted or reflected in a non-conducting medium.

Apr 4, 2017

pallab

Homework Statement

A 300 MHz plane wave propagating through a non-conducting medium having relative permeability= 1, relative permittivity= 78.What is the velocity of light in this medium?

Homework Equations

The Attempt at a Solution

n=√(78)
v=c/n
=3*10⁸/√78[/B]

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Apr 4, 2017

gneill

Mentor

Looks good.

Apr 5, 2017

pallab

gneill said:

Looks good.

thanks.

1. What is a 300 MHz plane wave?

A 300 MHz plane wave is a type of electromagnetic wave with a frequency of 300 million cycles per second. This falls within the radio frequency range and is commonly used in communication and radar systems.

2. How does a plane wave propagate through a non-conducting medium?

A plane wave propagates through a non-conducting medium by oscillating electric and magnetic fields. As the wave travels through the medium, the electric and magnetic fields interact with the particles of the medium, causing them to vibrate and transmit the energy of the wave.

3. What is the speed of a 300 MHz plane wave in a non-conducting medium?

The speed of a 300 MHz plane wave in a non-conducting medium is approximately 300 million meters per second. This is the speed of light in a vacuum and is slightly slower in a non-conducting medium due to interactions with the particles.

4. How does the intensity of the wave change as it propagates through the medium?

The intensity of the wave decreases as it propagates through the medium due to the spreading out of the wave as it travels. This is known as the inverse square law, where the intensity decreases by a factor of 1/r^2, where r is the distance from the source.

5. Can a 300 MHz plane wave be refracted or reflected in a non-conducting medium?

Yes, a 300 MHz plane wave can be refracted or reflected in a non-conducting medium. Refraction occurs when the wave passes through a medium with a different density, causing a change in its direction. Reflection occurs when the wave hits a boundary between two mediums and is bounced back in the opposite direction.